Honeywell Intl Inc. Defense Avionics Systems · Electronic Components
PC42790-1
Transformer, Power
Part NumberPC42790-1
ManufacturerHoneywell Intl Inc. Defense Avionics Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-521-3852 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Mounting Hole Diameter0.185 INCHES NOMINAL SINGLE GROUP
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Body Length3.168 INCHES NOMINAL
Winding Operating Current1.2 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Body Height2.760 INCHES NOMINAL
Body Width1.335 INCHES NOMINAL
Winding Operating Voltage28.00 AC VOLTS MINIMUM AND 30.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Transformer Winding Connection TypWYE-WYE
Center To Center Distance Between2.160 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Inclosure TypeFULLY INCLOSED
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is PC42790-1 available?
We can source PC42790-1 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is PC42790-1 by Honeywell Intl Inc. Defense Avionics Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If PC42790-1 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like PC42790-1?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for PC42790-1?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.